Red Hat Enterprise Linux 7 includes a new boot loader, GRUB 2, which is more robust, portable, and powerful than its predecessor, GRUB, which is the boot loader that Red Hat Enterprise Linux 6 uses. GRUB 2 provides a number of features and improvements, the most notable of which are:
In addition to the 64-bit Intel and AMD architectures, GRUB 2 supports a wider variety of platforms, including PowerPC.
GRUB 2 supports additional firmware types, including BIOS, EFI and OpenFirmware.
In addition to supporting Master Boot Record (MBR) partition tables, GRUB 2 supports GUID Partition Tables (GPT).
In addition to the Linux file systems, GRUB 2 also supports non-Linux file systems such as
Apple Hierarchical File System Plus (
HFS+) and Microsoft
NTFS file system.